Certified email tracking with delivery receipts - Windows Shareware $24.
Full Tracking, so you can reliably find out when your email gets opened, how long it gets read for, whether or not it gets forwarded to someone else or published on the internet, where the reader is located, and much more. Certified Proof of posting, delivery, and opening. MailTracking is the first and only place you can get irrefutable digitally signed certificates to prove exactly when you posted an email, exactly when it got delivered, and exactly when it was opened and read.

Mail Tracking 1.2 12-May-05 English 180 KB

Security. Aside from the peace-of-mind you get from our digital certified certificates, you can also send self-destructing emails or use ensured-delivery messages, both of which guarantee that you will always get a notification when your email gets read, and both of which will allow you to retract your email after you have sent it. Yes - you can delete your email before, and even after, it has been received by your recipient, any time you like. Ready-to-Use. No downloads or plugins are necessary. MailTracking already works with all popular email packages including all web-based services, on PC, Mac, Unix, and most other computing platforms.